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Prakashan D, Kolhe P, Gandhi S. Design and fabrication of a competitive lateral flow assay using gold nanoparticle as capture probe for the rapid and on-site detection of penicillin antibiotic in food samples. Food Chem 2024; 439:138120. [PMID: 38064831 DOI: 10.1016/j.foodchem.2023.138120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 01/10/2024]
Abstract
Lateral flow assays (LFAs) are among the utmost cost-efficient, paper-based point-of-care (POC) diagnostic devices. Herein, we have reported the fabrication of a competitive LFA for on-site detection of penicillin. Various parameters such as Ab concentration for conjugation, Pen-BSA conjugate concentration, pore size of membrane, and blocking buffer were standardised for the fabrication of LFA. Different concentrations of penicillin (1 pM-1 mM) were added to the sample pad to observe the color intensity. The visual detection limit (LOD) achieved from the LFA was 10 nM for Penicillin that correlated with the LOD calculated from the 'ColorGrab' colorimeter application. Additionally, LFA showed insignificant cross reactivity with other β-lactam antibiotics and were also validated with spiked food samples such as milk, meat and egg. Hence, the fabricated LFA can be successfully utilised for the POC detection of penicillin in food samples on large scale.
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Affiliation(s)
- Drishya Prakashan
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad 500032, Telangana, India; DBT-Regional Centre for Biotechnology (RCB), Faridabad 121001, Haryana, India
| | - Pratik Kolhe
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad 500032, Telangana, India
| | - Sonu Gandhi
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad 500032, Telangana, India; DBT-Regional Centre for Biotechnology (RCB), Faridabad 121001, Haryana, India.
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2
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Aleem A, Akhtar B, Muhammad F, Qureshi AS, Rahman SU. Development of a Lateral-Flow Immunochromatographic Strip for the Detection of Oxytetracycline Residues in Biological Fluids. ACS OMEGA 2023; 8:36237-36244. [PMID: 37810669 PMCID: PMC10552086 DOI: 10.1021/acsomega.3c04759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023]
Abstract
Oxytetracycline (OTC) is extensively used in veterinary medicine and for growth promotion around the globe. The indiscriminate use of OTC in food-producing animals leaves residues in animal products. The presence of these residues in animal products causes economic losses and harmful effects on consumers. Different regulatory bodies set maximum residue limits (MRLs) for different tetracyclines. To avoid harmful effects, there is a need for a simple, fast, and economical method for the screening of animal products. In this study, a fast, economical, and user-friendly lateral-flow immunochromatographic (LFIC) assay based on gold nanoparticles (AuNPs) was developed to detect the presence of OTC residues in biological fluids. AuNPs provided visual results as red lines in 6-15 min. Polyclonal rabbit IgG antibodies were produced using the immunogen of OTC. These antibodies were purified by the combined ammonium sulfate-octanoic acid precipitation method. Antibodies were conjugated to AuNPs as recognition biomolecules. A LFIC strip was optimized using borate buffer spiked with different concentrations of the OTC. The visual limit of detection (LOD) in different biological samples (milk, serum, and urine) was determined using samples spiked with OTC. The LOD was found to be 15 μg/L, which is very low from the MRL (100 μg/L) set by different regulatory authorities. This LFIC strip can be used to detect OTC residues in biological fluids for point-of-care testing (POCT). These strips are easy to use, cost-effective, and portable and provide quick results without the use of laboratory instruments.
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Affiliation(s)
- Abdul Aleem
- Institute
of Physiology and Pharmacology, University
of Agriculture, Faisalabad 38000, Pakistan
| | - Bushra Akhtar
- Department
of Pharmacy, University of Agriculture, Faisalabad 38000, Pakistan
| | - Faqir Muhammad
- Department
of Biosciences, Faculty of Veterinary Science, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Anas Sarwar Qureshi
- Department
of Anatomy, University of Agriculture, Faisalabad 38000, Pakistan
| | - Sajjad-ur Rahman
- Institute
of Microbiology, University of Agriculture, Faisalabad 38000, Pakistan
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3
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Kolhe P, Roberts A, Gandhi S. Fabrication of an ultrasensitive electrochemical immunosensor coupled with biofunctionalized zero-dimensional graphene quantum dots for rapid detection of cephalexin. Food Chem 2022; 398:133846. [DOI: 10.1016/j.foodchem.2022.133846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 07/05/2022] [Accepted: 07/31/2022] [Indexed: 12/18/2022]
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4
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Wu S, Shen W, Chen Y, Zhu Y, Hou R, Dai M, Peng D. Rapid Determination of Cephalexin in Animal-Derived Food by an Indirect Competitive Enzyme-Linked Immunosorbent Assay. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2072857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Shuangmin Wu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, China
| | - Wei Shen
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Yushuang Chen
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, China
| | - Yongli Zhu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, China
| | - Ren Hou
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, China
| | - Menghong Dai
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, China
| | - Dapeng Peng
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, China
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Sharma R, Verma A, Shinde N, Mann B, Gandhi K, Wichers JH, van Amerongen A. Adulteration of cow's milk with buffalo's milk detected by an on-site carbon nanoparticles-based lateral flow immunoassay. Food Chem 2021; 351:129311. [PMID: 33636533 DOI: 10.1016/j.foodchem.2021.129311] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/26/2020] [Accepted: 02/04/2021] [Indexed: 01/10/2023]
Abstract
A competitive lateral flow immunoassay using amorphous carbon nanoparticles (CNPs) and non-immunoglobulin antigen has been developed for the rapid detection of adulteration of cow's milk with buffalo's milk. Purified polyclonal antibodies against a specific buffalo's milk protein fraction were conjugated to CNPs and sprayed on a conjugate pad. The test line consisted of buffalo's skimmed milk proteins (1.6 μg/cm), while the control line contained anti-rabbit antibodies raised in goat (0.5 μg/cm). In the test procedure milk sample is mixed with 100 mM borate buffer (pH 8.8 containing 1% BSA and 0.05% Tween 20) and pipetted onto the sample-cum-conjugate pad. A black/grey test line can be observed if the sample is free from buffalo's milk. The sensitivity of the test i.e. no visible test line is 5% adulteration of cow's milk with buffalo's milk. The test has applicability at the milk receiving stations and can be applied to heated milk samples.
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Affiliation(s)
- Rajan Sharma
- Dairy Chemistry Division, ICAR-National Dairy Research Institute, Karnal 132 001, India.
| | - Archana Verma
- Animal Genetics & Breeding Division, ICAR-National Dairy Research Institute, Karnal 132 001, India
| | - Nitin Shinde
- Dairy Chemistry Division, ICAR-National Dairy Research Institute, Karnal 132 001, India
| | - Bimlesh Mann
- Dairy Chemistry Division, ICAR-National Dairy Research Institute, Karnal 132 001, India
| | - Kamal Gandhi
- Dairy Chemistry Division, ICAR-National Dairy Research Institute, Karnal 132 001, India
| | - Jan H Wichers
- BioSensing & Diagnostics, Wageningen Food & Biobased Research, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands.
| | - Aart van Amerongen
- BioSensing & Diagnostics, Wageningen Food & Biobased Research, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands.
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Amini M, Pourmand MR, Faridi-Majidi R, Heiat M, Mohammad Nezhady MA, Safari M, Noorbakhsh F, Baharifar H. Optimising effective parameters to improve performance quality in lateral flow immunoassay for detection of PBP2a in methicillin-resistant Staphylococcus aureus (MRSA). JOURNAL OF EXPERIMENTAL NANOSCIENCE 2020; 15:266-279. [DOI: 10.1080/17458080.2020.1775197] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 05/18/2020] [Indexed: 07/12/2024]
Affiliation(s)
- M. Amini
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - M. R. Pourmand
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - R. Faridi-Majidi
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - M. Heiat
- Baqiyatallah Research Center for Gastroenterology and Liver Disease, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | | | - M. Safari
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - F. Noorbakhsh
- Department of Immunology, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - H. Baharifar
- Department of Medical Nanotechnology, Applied biophotonics research center, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Ray M, Achary KG, Nayak S, Singh S. Development of a colloidal gold strip-based immunochromatographic assay for rapid detection of Fusarium oxysporum in ginger. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:6155-6166. [PMID: 31206685 DOI: 10.1002/jsfa.9859] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 06/03/2019] [Accepted: 06/06/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Rhizome rot, caused primarily by Fusarium oxysporum, is one of the most destructive diseases leading to significant loss in ginger worldwide. The loss can be greatly reduced by proper disease management practices steered by accurate and early diagnosis of pathogens. Pathogen detection at an early stage of infection can also reduce the incidence of disease epidemics. Classical methods are often time consuming, relying on culturing the putative pathogens and the availability of expert taxonomic skills for accurate identification, which leads to the delayed application of control measures. The development of a simple, rapid, sensitive and cost-effective point-of-care diagnostic tool is thus one of the major research priorities for rhizome rot. RESULTS The 65 kDa, immunoreactive protein band was selected as a diagnostic marker and was subjected to MS analysis followed by blastp. Based on blast result, a synthetic antigenic peptide was synthesized, and used to generate pAbs. The peptide-specific antibodies were used to develop a colloidal gold immunochromatographic assay (ICA). The sensitivity, specificity, and accuracy of ICA were 92.59%, 81.25%, and 90%, respectively. The ICA has a visual detection limit of 2.122 μg mL-1 for infected rhizome samples and 5.065 μg mL-1 for leaf samples with optimal detection time within 5 min. Moreover, the ICA also detected early stage infected samples, of which 71.42% (50/70) were true positives. CONCLUSION Findings from this study indicated that the assay can be utilized as a tool for the investigation of rhizome rot infection in field samples. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Monalisa Ray
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, India
| | - K Gopinath Achary
- Centre for Biotechnology, Imgenex India Pvt. Ltd, Bhubaneswar, India
| | - Sanghamitra Nayak
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Shikha Singh
- Department of Monoclonal Antibody, Rama Devi Women's University, Bhubaneswar, India
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Rapid and simple detection of Tamiflu-resistant influenza virus: Development of oseltamivir derivative-based lateral flow biosensor for point-of-care (POC) diagnostics. Sci Rep 2018; 8:12999. [PMID: 30158601 PMCID: PMC6115449 DOI: 10.1038/s41598-018-31311-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 08/16/2018] [Indexed: 01/16/2023] Open
Abstract
We have developed a novel oseltamivir derivative (oseltamivir hexylthiol; OHT) that exhibits a higher binding affinity for Tamiflu-resistant virus (Tamiflu resistance) than for the wild-type virus (Tamiflu-susceptible virus; WT) as an antibody. First, OHT-modified gold nanoparticles (OHT-GNPs) are used in a simple colorimetric assay as nanoprobes for the Tamiflu-resistant virus. In the presence of Tamiflu-resistant virus, they show a colorimetric change from deep red to purple because of the OHT-GNP aggregation driven by strong interactions between OHT and neuraminidase (NA) on the surface of the Tamiflu-resistance. Moreover, the color gradually turns purple as the concentration of the Tamiflu-resistant virus increases, allowing the determination of the presence of the virus with the naked eye. Furthermore, an OHT-based lateral flow assay (LFA) has been developed as a rapid and easy detection device for Tamiflu resistance. It shows detection specificity for various virus concentrations of Tamiflu-resistant virus even for the mixture of WT and Tamiflu-resistant viruses, where the limit of detection (LOD) is 5 × 102 ~ 103 PFU per test (=1 × 104 PFU/mL). It has been confirmed that this platform can provide accurate information on whether a virus exhibits Tamiflu resistance, thus supporting the selection of appropriate treatments using point-of-care (POC) diagnostics.
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Gautam PB, Sharma R, Lata K, Rajput YS, Mann B. Construction of a lateral flow strip for detection of soymilk in milk. Journal of Food Science and Technology 2017; 54:4213-4219. [PMID: 29184227 DOI: 10.1007/s13197-017-2890-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 07/10/2017] [Accepted: 09/22/2017] [Indexed: 01/27/2023]
Abstract
A lateral flow based detection method for ascertaining the presence of soymilk in whole bovine milk has been described. The method uses commercially available rabbit anti-soy protein antibodies conjugated to gold nanoparticles (AuNPs) wherein soymilk protein in adulterated milk and soymilk protein at test line competes for limited antibodies. At control line, anti-rabbit immunoglobulin was immobilized for ensuring flow properties of antibody-conjugated AuNPs. Absence or diminished intensity of band at test line indicates presence of soymilk in milk. The soymilk detection limit was 1.75% (v/v) in whole bovine milk and results are available in 5 min. Constructed lateral flow device can be used for on-spot examination of soymilk in milk.
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Affiliation(s)
- Priyae Brath Gautam
- Department of Dairy Chemistry, National Dairy Research Institute, Karnal, 132001 India
| | - Rajan Sharma
- Department of Dairy Chemistry, National Dairy Research Institute, Karnal, 132001 India
| | - Kiran Lata
- Department of Dairy Chemistry, National Dairy Research Institute, Karnal, 132001 India
| | - Y S Rajput
- Department of Animal Biochemistry, National Dairy Research Institute, Karnal, 132001 India
| | - Bimlesh Mann
- Department of Dairy Chemistry, National Dairy Research Institute, Karnal, 132001 India
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Naik L, Sharma R, Mann B, Lata K, Rajput Y, Surendra Nath B. Rapid screening test for detection of oxytetracycline residues in milk using lateral flow assay. Food Chem 2017; 219:85-92. [DOI: 10.1016/j.foodchem.2016.09.090] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 06/02/2016] [Accepted: 09/14/2016] [Indexed: 11/15/2022]
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